The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska

The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska
The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska

Model calculations of total (wet and dry) deposition estimates of sulfur for 1988

Model calculations of total (wet and dry) deposition estimates of sulfur for 1988
Model calculations of total (wet and dry) deposition estimates of sulfur for 1988

Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The concentrations are averages over the Arctic area north of 70°N

Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The [..]
Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The concentrations are averages over the Arctic area north of 70°N

Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996

Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996
Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area

Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area
Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area

An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean

An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean
An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean

Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone profile for March

Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone [..]
Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone profile for March

Annual and seasonal variations in average background levels of sulfate sulfur and total nitrogen in precipitation across the Atlantic

Annual and seasonal variations in average background levels of sulfate sulfur and total nitrogen in precipitation across the Atlantic, Siberian, and Pacific sectors of the Russian Arctic
Annual and seasonal variations in average background levels of sulfate sulfur and total nitrogen in precipitation across the Atlantic

Changes with time in 131I activity concentration in Finnish air samples

Changes with time in 131I activity concentration in Finnish air samples
Changes with time in 131I activity concentration in Finnish air samples

Changes with time in 137Cs activity concentration in air in Norway, Finland and Russia

Changes with time in 137Cs activity concentration in air in Norway, Finland and Russia
Changes with time in 137Cs activity concentration in air in Norway, Finland and Russia

Changes with time in wet and dry deposition of 137Cs in Arctic Finland and north west Russia (Nenets Autonomous Okrug)

Changes with time in wet and dry deposition of 137Cs in Arctic Finland and north west Russia (Nenets Autonomous Okrug)
Changes with time in wet and dry deposition of 137Cs in Arctic Finland and north west Russia (Nenets Autonomous Okrug)

Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the [..]
Averaged upper (3000 m) air concentrations of Pb in winter (December-February) and summer (June-August) as modeled by the updated (1996) hemispheric EMEP transport model in a simulation for the reference year 1988

Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard

Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard
Average contributions from various sources to the atmospheric concentrations of elements in winter air samples at Ny-Ålesund, Svalbard

Average regional source apportionment of metals in winter aerosol at Ny-Ålesund, Svalbard from Europe and the central part of the former Soviet Union (including the Urals and Norilsk)

Average regional source apportionment of metals in winter aerosol at Ny-Ålesund, Svalbard from Europe and the central part of the former Soviet Union (including the Urals and Norilsk)
Average regional source apportionment of metals in winter aerosol at Ny-Ålesund, Svalbard from Europe and the central part of the former Soviet Union (including the Urals and Norilsk)



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